Build student understanding of the defining attributes of triangles with this sorting activity. Students will cut out different shape cards and sort them into examples and non-examples of triangles.

Give your students a chance to sort polygons into categories that make sense to them.

Teach your students to sort triangles as acute, right, or obtuse based on their internal angle type.

The animals are all mixed up--can your kindergartener sort them out and count them up according to kind?

Are your students still tripped up by those tricky trapezoids? This geometry worksheet can help! Give your second graders a chance to have fun while they practice trapezoid identification with this cut-and-paste activity.

Can your first graders tell the difference between a square and a cube? How about a triangle and a cone? Use this geometry assessment to gauge your students’ abilities to use attributes to sort 2-D and 3-D shapes.

Can your kid tell the difference between 2-dimensional and 3-dimensional shapes? Kindergarten is a good time to start!

Identify angles in real-world examples and sort them based on their characteristics.

Sort out your shapes and colors with this challenging pattern quiz for young learners.

Spark your young learner's excitement for geometry with this engaging 3D shapes coloring worksheet!

Sort parallel and perpendicular lines with this fun cut-and-paste activity!

Sort out your shapes with this fill-in-the-bubble style quiz, perfect for standardized testing prep.

Bust out those crayons, it's time to test your knowledge of basic shapes! Have your first grader sort out these shapes by color.

Stellar students, get ready for a math mission from outer space! Your child will get to help this alien sort and color the different shapes in this worksheet.

Pentagons make for perfect houses! Help students to identify and develop an understanding of this 2-D shape with this fun activity. Students will sort out the pentagons from other shapes and then turn them into houses.

This worksheet requires skills in shape and color recognition, and categorizing objects.

Assess your students’ understanding of the differences between 2-D and 3-D shapes using this shape assessment.

Is there something funny about this plane? Have some fun sorting out the modes of transportation with your little learner.

These dogs and cats just can't seem to figure out where to stand! They need some help sorting themselves out.

Angles, angles everywhere! Help students learn to recognize and count angles with this fun worksheet. By looking closely at the various shapes, students will gain practice classifying and sorting shapes based on how many angles they can identify.

Trace, then color, then write, all while getting familiarized with basic shapes: circles, squares, triangles and rectangles.

Help your students determine if a shape is regular or irregular!

Challenge your first grader to find the two snowflakes that match in each of these wintry puzzles. He'll be reviewing his colors, shapes and comparison skills.

Give your first grader a mind-bending challenge to find the two suns that match in both size and color.

Challenge your first grader to find the two leaves in each box that match in size, shape and color. He'll be building pattern recognition skills as he goes.

Celebrate the spring season with a fun puzzle! Challenge your first grader to find the two flowers in each box that match in both size and color.

Math ninjas can learn the secrets of the rectangle with this practice page about the area and perimeter of a rectangle.